{"id":2015,"date":"2021-05-04T07:43:22","date_gmt":"2021-05-04T07:43:22","guid":{"rendered":"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/?p=2015"},"modified":"2024-05-26T11:45:55","modified_gmt":"2024-05-26T02:45:55","slug":"ffmpe","status":"publish","type":"post","link":"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/","title":{"rendered":"\u5b66\u8853\u5927\u4f1a\u3067 \u97f3\u58f0\u52d5\u753b\u767a\u8868\u30b9\u30e9\u30a4\u30c9\u30c7\u30fc\u30bf \u3092\u6c42\u3081\u3089\u308c\u305f\u3068\u304d\u306b: .mp4 \u3092 FFmpeg \u3067\u30b5\u30a4\u30ba\u5727\u7e2e"},"content":{"rendered":"\n<p>COVID-19\u611f\u67d3\u75c7\u306e\u6d41\u884c\u3067\u3001\u5b66\u8853\u5927\u4f1a\u3084\u7814\u7a76\u4f1a\u3067\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u958b\u50ac\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002\u97f3\u58f0\u52d5\u753b\u30c7\u30fc\u30bf\u306e\u63d0\u51fa\u304c\u6c42\u3081\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u300c .mp4\u3001 500 MB \u4ee5\u5185 \u3067\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u3044\u3063\u305f\u6307\u5b9a\u304c\u5165\u308b\u4e8b\u3082\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u52d5\u753b\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u306f\u5c11\u306a\u304f\u3001\u56f0\u3063\u3066\u3044\u308b\u4eba\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u305d\u3053\u3067\u3001\u4eca\u56de\u306f\u3001\u30d5\u30ea\u30fc\u30bd\u30d5\u30c8\u3067\u3042\u308b FFmpeg \u3092\u4f7f\u3063\u3066\u52d5\u753b\u5727\u7e2e\u3092\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u73fe\u5728\u306f\u3001Mac\u306e\u5185\u5bb9\u304c\u4e3b\u3067\u3059\u304c\u3001\u5f8c\u65e5\u6539\u3081\u3066Windows\u5411\u3051\u306e\u8a18\u4e8b\u3082\u8ffd\u8a18\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u5ea6\u3001\u8a2d\u5b9a\u3068\u3084\u308a\u65b9\u3092\u899a\u3048\u3066\u3057\u307e\u3048\u3070\u3001\u305d\u306e\u90fd\u5ea6\u3001\u7de8\u96c6\u30bd\u30d5\u30c8\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u30b5\u30fc\u30d3\u30b9\u3092\u8abf\u3079\u3066\u4ed8\u3051\u713c\u304d\u5203\u3067\u5bfe\u5fdc\u3059\u308b\u3088\u308a\u3082\u3001\u5727\u5012\u7684\u306b\u697d\u3067\u3059\u3002\u6642\u9593\u306e\u3042\u308b\u3068\u304d\u306b\u3001\u81ea\u5df1\u6295\u8cc7\u3068\u601d\u3063\u3066\u3001\u4e00\u5ea6\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u8a66\u3057\u3066\u3044\u305f\u3060\u3051\u308b\u3068\u5b09\u3057\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#FFmpeg_%E3%81%AE%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89%E3%80%81%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\" >FFmpeg \u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#Mac_%E3%81%AE%E5%A0%B4%E5%90%88\" >Mac \u306e\u5834\u5408<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#Homebrew_%E3%81%AE%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\" >Homebrew \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#FFmpeg%E3%81%AE%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\" >FFmpeg\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#%E3%82%AA%E3%83%97%E3%82%B7%E3%83%A7%E3%83%B3_Finder_%E3%81%8B%E3%82%89%E3%82%BF%E3%83%BC%E3%83%9F%E3%83%8A%E3%83%AB%E3%82%92%E8%B5%B7%E5%8B%95%E3%81%A7%E3%81%8D%E3%82%8B%E3%82%88%E3%81%86%E3%81%AB%E3%81%97%E3%81%A6%E3%81%8A%E3%81%8F\" >(\u30aa\u30d7\u30b7\u30e7\u30f3) Finder \u304b\u3089\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u8d77\u52d5\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#Windows_%E3%81%AE%E5%A0%B4%E5%90%88\" >Windows \u306e\u5834\u5408<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#FFmpeg_%E3%81%A7%E3%82%B5%E3%82%A4%E3%82%BA%E3%82%92%E5%9C%A7%E7%B8%AE%E3%81%99%E3%82%8B%E3%80%82\" >FFmpeg \u3067\u30b5\u30a4\u30ba\u3092\u5727\u7e2e\u3059\u308b\u3002<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#Mac%E3%81%AE%E5%A0%B4%E5%90%88\" >Mac\u306e\u5834\u5408<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#%E3%82%BF%E3%83%BC%E3%83%9F%E3%83%8A%E3%83%AB%E3%81%AE%E8%B5%B7%E5%8B%95\" >\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u8d77\u52d5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#FFmpeg_%E3%81%A7%E3%82%B5%E3%82%A4%E3%82%BA%E3%81%AE%E5%9C%A7%E7%B8%AE%E3%80%82\" >FFmpeg \u3067\u30b5\u30a4\u30ba\u306e\u5727\u7e2e\u3002<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#%E8%BF%BD%E8%A8%98%EF%BC%9A%E3%82%AB%E3%83%A1%E3%83%A9%E3%81%A7%E7%9B%B4%E6%8E%A5%E5%8F%8E%E9%8C%B2%E3%81%97%E3%81%9F%E5%8B%95%E7%94%BB%E3%81%AE%E5%A0%B4%E5%90%88%E3%81%AA%E3%81%A9%EF%BC%88%E3%82%B3%E3%83%BC%E3%83%87%E3%83%83%E3%82%AF%E3%81%AE%E5%A4%89%E6%8F%9B%EF%BC%89\" >\u8ffd\u8a18\uff1a\u30ab\u30e1\u30e9\u3067\u76f4\u63a5\u53ce\u9332\u3057\u305f\u52d5\u753b\u306e\u5834\u5408\u306a\u3069\uff08\u30b3\u30fc\u30c7\u30c3\u30af\u306e\u5909\u63db\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#%E4%BD%95%E3%82%89%E3%81%8B%E3%81%AE%E7%90%86%E7%94%B1%E3%81%A7_-crf_%E3%81%8C%E4%BD%BF%E3%81%88%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88\" >\u4f55\u3089\u304b\u306e\u7406\u7531\u3067 -crf \u304c\u4f7f\u3048\u306a\u3044\u5834\u5408<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#%E3%81%9D%E3%81%AE%E4%BB%96%E3%81%AE%E6%93%8D%E4%BD%9C\" >\u305d\u306e\u4ed6\u306e\u64cd\u4f5c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/plaza.umin.ac.jp\/shoei05\/index.php\/2021\/05\/04\/2015\/#%E6%9C%80%E5%BE%8C%E3%81%AB\" >\u6700\u5f8c\u306b<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FFmpeg_%E3%81%AE%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89%E3%80%81%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\"><\/span>FFmpeg \u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p>FFmpeg (\u30a8\u30d5\u30a8\u30d5\u30a8\u30e0\u30da\u30b0) \u306f\u3001\u52d5\u753b\u306e\u7de8\u96c6\u3084\u5909\u63db\u306a\u3069\u304c\u53ef\u80fd\u306a\u30d5\u30ea\u30fc\u30bd\u30d5\u30c8<span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_1');\" onkeypress=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_1');\" ><sup id=\"footnote_plugin_tooltip_2015_1_1\" class=\"footnote_plugin_tooltip_text\">[1]<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2015_1_1\" class=\"footnote_tooltip\">FFmpeg. Accessed May 4, 2021. <a href=\"https:\/\/www.ffmpeg.org\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"footnote_url_wrap\">https:\/\/www.ffmpeg.org\/<\/span><\/a> <\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2015_1_1').tooltip({ tip: '#footnote_plugin_tooltip_text_2015_1_1', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top center', relative: true, offset: [-7, 0], });<\/script>\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mac_%E3%81%AE%E5%A0%B4%E5%90%88\"><\/span>Mac \u306e\u5834\u5408<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Homebrew_%E3%81%AE%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\"><\/span>Homebrew \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>FFmpeg\u3092\u542b\u3080\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u30bd\u30d5\u30c8\u3067\u3042\u308b Homebrew<span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_2');\" onkeypress=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_2');\" ><sup id=\"footnote_plugin_tooltip_2015_1_2\" class=\"footnote_plugin_tooltip_text\">[2]<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2015_1_2\" class=\"footnote_tooltip\">Homebrew. Homebrew. Accessed May 4, 2021. <a href=\"https:\/\/brew.sh\/index_ja\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"footnote_url_wrap\">https:\/\/brew.sh\/index_ja<\/span><\/a> <\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2015_1_2').tooltip({ tip: '#footnote_plugin_tooltip_text_2015_1_2', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top center', relative: true, offset: [-7, 0], });<\/script> \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u307e\u3060\u3067\u3042\u308c\u3070\u3001\u3053\u3053\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305a\u306f\u3001\u305d\u306e\u4ed6 &gt; \u30bf\u30fc\u30df\u30ca\u30eb \u304b\u3089\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"634\" src=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig1-1024x634.png\" alt=\"\" class=\"wp-image-2017\" srcset=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig1-1024x634.png 1024w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig1-300x186.png 300w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig1-768x476.png 768w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig1-1536x951.png 1536w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig1.png 1702w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"634\" src=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig2-1024x634.png\" alt=\"\" class=\"wp-image-2018\" srcset=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig2-1024x634.png 1024w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig2-300x186.png 300w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig2-768x476.png 768w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig2-1536x951.png 1536w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig2.png 1702w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u3044\u305f\u3089\u3001Homebrew\u306e<a href=\"https:\/\/brew.sh\/index_ja\">\u516c\u5f0f\u30da\u30fc\u30b8<\/a> \u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u4e0b\u8a18\u30b3\u30fc\u30c9\u3092\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u5b9f\u884c\u3057\u307e\u3059\u3002\u305d\u306e\u307e\u307e\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u3092\u3059\u308b\u3060\u3051\u3067\u5927\u4e08\u592b\u3067\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">\/bin\/bash -c <span class=\"hljs-string\">\"$(curl -fsSL https:\/\/raw.githubusercontent.com\/Homebrew\/install\/HEAD\/install.sh)\"<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FFmpeg%E3%81%AE%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\"><\/span>FFmpeg\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Homebrew \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u7d42\u4e86\u3057\u305f\u3089\u3001\u305d\u306e\u307e\u307e\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u4e0b\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001FFmpeg \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">brew install ffmpeg<\/code><\/span><\/pre>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%AA%E3%83%97%E3%82%B7%E3%83%A7%E3%83%B3_Finder_%E3%81%8B%E3%82%89%E3%82%BF%E3%83%BC%E3%83%9F%E3%83%8A%E3%83%AB%E3%82%92%E8%B5%B7%E5%8B%95%E3%81%A7%E3%81%8D%E3%82%8B%E3%82%88%E3%81%86%E3%81%AB%E3%81%97%E3%81%A6%E3%81%8A%E3%81%8F\"><\/span>(\u30aa\u30d7\u30b7\u30e7\u30f3) Finder \u304b\u3089\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u8d77\u52d5\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4eca\u5f8c\u306e\u64cd\u4f5c\u3092\u697d\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u4e0b\u8a18\u306e\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u8a2d\u5b9a &gt; \u30ad\u30fc\u30dc\u30fc\u30c9 \u304b\u3089\u3001\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8 &gt; \u30b5\u30fc\u30d3\u30b9 &gt; \u30d5\u30a1\u30a4\u30eb\u3068\u30d5\u30a9\u30eb\u30c0\u6b04\u306b\u3042\u308b\u3075\u300c\u30d5\u30a9\u30eb\u30c0\u306b\u65b0\u898f\u30bf\u30fc\u30df\u30ca\u30eb\u300d\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"623\" src=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig3-1024x623.png\" alt=\"\" class=\"wp-image-2021\" srcset=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig3-1024x623.png 1024w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig3-300x182.png 300w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig3-768x467.png 768w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig3-1536x934.png 1536w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig3.png 1733w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"498\" src=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig4-1-1024x498.png\" alt=\"\" class=\"wp-image-2023\" srcset=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig4-1-1024x498.png 1024w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig4-1-300x146.png 300w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig4-1-768x373.png 768w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig4-1-1536x747.png 1536w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig4-1-1920x933.png 1920w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig4-1.png 1979w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u3053\u308c\u3067\u6e96\u5099\u304c\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Windows_%E3%81%AE%E5%A0%B4%E5%90%88\"><\/span>Windows \u306e\u5834\u5408<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Windows \u306e\u5834\u5408\u306fwinget\u3068\u3044\u3046\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u304c\u7c21\u5358\u3067\u3059\u3002\u3053\u3061\u3089\u306e\u8a18\u4e8b<span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_3');\" onkeypress=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_3');\" ><sup id=\"footnote_plugin_tooltip_2015_1_3\" class=\"footnote_plugin_tooltip_text\">[3]<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2015_1_3\" class=\"footnote_tooltip\">\u308d\u307c\u3044\u3093. \u3010Windows 11\u3011PATH\u306e\u8a2d\u5b9a\u306a\u3057\u3067FFmpeg\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5. \u308d\u307c\u3044\u3093\u30d6\u30ed\u30b0. Published February 25, 2024. Accessed May 26, 2024.&nbsp;&#x2026; <span class=\"footnote_tooltip_continue\"  onclick=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_3');\">Continue reading<\/span><\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2015_1_3').tooltip({ tip: '#footnote_plugin_tooltip_text_2015_1_3', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top center', relative: true, offset: [-7, 0], });<\/script>\u306b\u3088\u304f\u307e\u3068\u307e\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FFmpeg_%E3%81%A7%E3%82%B5%E3%82%A4%E3%82%BA%E3%82%92%E5%9C%A7%E7%B8%AE%E3%81%99%E3%82%8B%E3%80%82\"><\/span>FFmpeg \u3067\u30b5\u30a4\u30ba\u3092\u5727\u7e2e\u3059\u308b\u3002<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mac%E3%81%AE%E5%A0%B4%E5%90%88\"><\/span>Mac\u306e\u5834\u5408<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%BF%E3%83%BC%E3%83%9F%E3%83%8A%E3%83%AB%E3%81%AE%E8%B5%B7%E5%8B%95\"><\/span>\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u8d77\u52d5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u307e\u305a\u3001Finder\u3067\u76ee\u7684\u306e\u30c7\u30fc\u30bf\u304c\u3042\u308b\u30d5\u30a9\u30eb\u30c0\u304c\u307f\u3048\u308b\u5834\u6240\u307e\u3067\u79fb\u52d5\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u300cmovie\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a9\u30eb\u30c0\u306b\u3001\u76ee\u7684\u306e\u300ctest.mp4\u300d\u304c\u5165\u3063\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u76ee\u7684\u306e\u30d5\u30a9\u30eb\u30c0 (movie) \u3092\u53f3\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u300c\u30b5\u30fc\u30d3\u30b9\u300d\u306e\u4e2d\u306b\u300c\u30d5\u30a9\u30eb\u30c0\u306b\u65b0\u898f\u30bf\u30fc\u30df\u30ca\u30eb\u300d\u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u304c\u3042\u308b\u305f\u3081\u3001\u3053\u308c\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"760\" src=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig5-1-1024x760.png\" alt=\"\" class=\"wp-image-2029\" srcset=\"https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig5-1-1024x760.png 1024w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig5-1-300x223.png 300w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig5-1-768x570.png 768w, https:\/\/plaza.umin.ac.jp\/shoei05\/wp\/wp-content\/uploads\/2021\/05\/fig5-1.png 1418w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u8d77\u52d5\u3059\u308b\u3068\u3001<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">Last<\/span> <span class=\"hljs-selector-tag\">login<\/span>: <span class=\"hljs-selector-tag\">Tue<\/span> <span class=\"hljs-selector-tag\">May<\/span>  4 15<span class=\"hljs-selector-pseudo\">:49<\/span><span class=\"hljs-selector-pseudo\">:32<\/span> <span class=\"hljs-selector-tag\">on<\/span> <span class=\"hljs-selector-tag\">ttys000<\/span>\n<span class=\"hljs-selector-tag\">user<\/span><span class=\"hljs-keyword\">@host<\/span> movie % <\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3068\u3044\u3063\u305f\u3088\u3046\u306b\u3001\u6700\u521d\u304b\u3089\u300cmovie\u300d\u30d5\u30a9\u30eb\u30c0\u3092\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u3057\u305f\u72b6\u614b\u3067\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059 (\u3053\u308c\u306b\u3088\u3063\u3066\u7d30\u304b\u3044\u30b3\u30de\u30f3\u30c9\u3092\u7701\u7565\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059) \u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FFmpeg_%E3%81%A7%E3%82%B5%E3%82%A4%E3%82%BA%E3%81%AE%E5%9C%A7%E7%B8%AE%E3%80%82\"><\/span>FFmpeg \u3067\u30b5\u30a4\u30ba\u306e\u5727\u7e2e\u3002<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u3053\u308c\u304b\u3089\u3001\u300cmovie\u300d\u30d5\u30a9\u30eb\u30c0\u306b\u5165\u3063\u3066\u3044\u308b\u3001test.mp4 \u3068\u3044\u3046\u52d5\u753b\u3092\u5727\u7e2e\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002\u5727\u7e2e\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3092 test_compression.mp4 \u3068\u3059\u308b\u3068\u3001\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">ffmpeg<\/span> <span class=\"hljs-selector-tag\">-i<\/span> <span class=\"hljs-selector-tag\">test<\/span><span class=\"hljs-selector-class\">.mp4<\/span> <span class=\"hljs-selector-tag\">-crf<\/span> 18 <span class=\"hljs-selector-tag\">test_compression<\/span><span class=\"hljs-selector-class\">.mp4<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3053\u3053\u306e18\u306fCRF (\u5727\u7e2e\u7387) \u306e\u8a2d\u5b9a\u5024\u3067\u3042\u308a\u3001\u81ea\u7531\u306b\u8a2d\u5b9a\u53ef\u80fd\u3067\u3059\u3002\u6570\u5b57\u304c\u5c0f\u3055\u3044\u307b\u3069\u9ad8\u753b\u8cea\u3067\u3059\u304c\u3001\u5727\u7e2e\u7387\u304c\u5c0f\u3055\u304f\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306f23\u3067\u3059\u300218-28\u306e\u7bc4\u56f2\u3092\u63a8\u5968\u7bc4\u56f2\u3068\u3059\u308b\u8a18\u4e8b\u3082\u3042\u308a\u307e\u3059<span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_4');\" onkeypress=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_4');\" ><sup id=\"footnote_plugin_tooltip_2015_1_4\" class=\"footnote_plugin_tooltip_text\">[4]<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2015_1_4\" class=\"footnote_tooltip\">H.264\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\uff1atech.ckme.co.jp. Accessed May 4, 2021. <a href=\"https:\/\/tech.ckme.co.jp\/ffmpeg_h264.shtml\"><span class=\"footnote_url_wrap\">https:\/\/tech.ckme.co.jp\/ffmpeg_h264.shtml<\/span><\/a> <\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2015_1_4').tooltip({ tip: '#footnote_plugin_tooltip_text_2015_1_4', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top center', relative: true, offset: [-7, 0], });<\/script>\u304c\u3001\u9759\u6b62\u753b\u306e\u30b9\u30e9\u30a4\u30c9\u4e2d\u5fc3\u3067\u3042\u308b\u5b66\u4f1a\u767a\u8868\u306e\u52d5\u753b\u306e\u54c1\u8cea\u3092\u8003\u3048\u308b\u3068\u300128-32\u307b\u3069\u306e\u5927\u304d\u3055\u3067\u3082\u53ef\u8996\u6027\u306b\u5927\u304d\u306a\u554f\u984c\u306f\u611f\u3058\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u753b\u8cea\u3092\u843d\u3068\u3055\u305a\u306b\u5909\u63db\u3057\u305f\u3044\u306e\u3067\u3042\u308c\u307018\u4ee5\u4e0b\u3092\u6307\u5b9a\u3059\u308b\u306e\u304c\u7121\u96e3\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u5727\u7e2e\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u6570\u5206\u306e\u52d5\u753b\u30c7\u30fc\u30bf\u3067\u3042\u308c\u3070\u3001\u305d\u3053\u307e\u3067\u6642\u9593\u306f\u304b\u304b\u308a\u307e\u305b\u3093\u300290\u5206\u7a0b\u306e\u30c7\u30fc\u30bf\u306710-20\u5206\u304f\u3089\u3044\u6642\u9593\u304c\u304b\u304b\u308b\u305f\u3081\u3057\u3070\u3089\u304f\u5f85\u3061\u307e\u3059\u3002CRF\u306e\u5024\u3092\u5909\u3048\u306a\u304c\u3089\u3001\u5b66\u8853\u5927\u4f1a\u306e\u63d0\u51fa\u30c7\u30fc\u30bf\u306e\u30b5\u30a4\u30ba\u306b\u5408\u3046\u3088\u3046\u306b\u4f55\u5ea6\u304b\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f 140 \u5206\u30012.07 GB \u306e\u52d5\u753b\u30c7\u30fc\u30bf\u3092 CRF 18 \u3067507.5 MB \u307e\u3067\u5727\u7e2e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%BF%BD%E8%A8%98%EF%BC%9A%E3%82%AB%E3%83%A1%E3%83%A9%E3%81%A7%E7%9B%B4%E6%8E%A5%E5%8F%8E%E9%8C%B2%E3%81%97%E3%81%9F%E5%8B%95%E7%94%BB%E3%81%AE%E5%A0%B4%E5%90%88%E3%81%AA%E3%81%A9%EF%BC%88%E3%82%B3%E3%83%BC%E3%83%87%E3%83%83%E3%82%AF%E3%81%AE%E5%A4%89%E6%8F%9B%EF%BC%89\"><\/span>\u8ffd\u8a18\uff1a\u30ab\u30e1\u30e9\u3067\u76f4\u63a5\u53ce\u9332\u3057\u305f\u52d5\u753b\u306e\u5834\u5408\u306a\u3069\uff08\u30b3\u30fc\u30c7\u30c3\u30af\u306e\u5909\u63db\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-hatena-blog wp-block-embed-hatena-blog\"><div class=\"wp-block-embed__wrapper\">\n<iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"ffmpeg\u3067\u52d5\u753b\u3092H.265\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u3066\u5bb9\u91cf\u3092\u5927\u5e45\u306b\u7bc0\u7d04\u3059\u308b - \u4e01\u5be7\u306b\u624b\u3092\u629c\u304f\" src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fcraftzdog.hateblo.jp%2Fentry%2Fsave-storage-with-h265-ffmpeg#?secret=neyyctQWRB\" data-secret=\"neyyctQWRB\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>\u30d3\u30c7\u30aa\u30ab\u30e1\u30e9\u7b49\u3067\u64ae\u5f71\u3057\u305f\u52d5\u753b\u306fH.264\u5f62\u5f0f\u3067\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">ffmpeg<\/span> <span class=\"hljs-selector-tag\">-i<\/span> <span class=\"hljs-selector-tag\">input<\/span><span class=\"hljs-selector-class\">.mp4<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3092\u5165\u529b\u3057\u3066\u52d5\u753b\u306e\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3066\u3001<\/p>\n\n\n\n<p>&nbsp; Stream #0:0[0x1](und): <span style=\"text-decoration: underline;\"><strong>Video: h264 (High)<\/strong><\/span> (avc1 \/ 0x31637661), yuv420p(tv, bt709\/bt709\/iec61966-2-4, progressive), 1920&#215;1080 [SAR 1:1 DAR 16:9], 8134 kb\/s, 59.94 fps, 59.94 tbr, 60k tbn (default)<\/p>\n\n\n\n<p>\u306a\u3069\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u52d5\u753b\u304c\u5727\u7e2e\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">ffmpeg<\/span> <span class=\"hljs-selector-tag\">-i<\/span> <span class=\"hljs-selector-tag\">input<\/span><span class=\"hljs-selector-class\">.mp4<\/span> <span class=\"hljs-selector-tag\">-c<\/span><span class=\"hljs-selector-pseudo\">:a<\/span> <span class=\"hljs-selector-tag\">copy<\/span> <span class=\"hljs-selector-tag\">-c<\/span><span class=\"hljs-selector-pseudo\">:v<\/span> <span class=\"hljs-selector-tag\">libx265<\/span> <span class=\"hljs-selector-tag\">-crf<\/span> 22 <span class=\"hljs-selector-tag\">-tag<\/span><span class=\"hljs-selector-pseudo\">:v<\/span> <span class=\"hljs-selector-tag\">hvc1<\/span> <span class=\"hljs-selector-tag\">output<\/span><span class=\"hljs-selector-class\">.mp4<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3068\u5165\u529b\u3059\u308b\u3053\u3068\u3067\u3001\u52d5\u753b\u3092H.265\u5f62\u5f0f\u306b\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u3068\u3001\u753b\u8cea\u3092\u307b\u3068\u3093\u3069\u5931\u308f\u305a\u5bb9\u91cf\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BD%95%E3%82%89%E3%81%8B%E3%81%AE%E7%90%86%E7%94%B1%E3%81%A7_-crf_%E3%81%8C%E4%BD%BF%E3%81%88%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88\"><\/span>\u4f55\u3089\u304b\u306e\u7406\u7531\u3067 -crf \u304c\u4f7f\u3048\u306a\u3044\u5834\u5408<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4ee3\u308f\u308a\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u3067\u3082\u3001\u52d5\u753b\u30b5\u30a4\u30ba\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">ffmpeg<\/span> <span class=\"hljs-selector-tag\">-i<\/span> <span class=\"hljs-selector-tag\">input<\/span><span class=\"hljs-selector-class\">.mp4<\/span> <span class=\"hljs-selector-tag\">-vcodec<\/span> <span class=\"hljs-selector-tag\">libx265<\/span> <span class=\"hljs-selector-tag\">-b<\/span><span class=\"hljs-selector-pseudo\">:v<\/span> 2000<span class=\"hljs-selector-tag\">k<\/span> <span class=\"hljs-selector-tag\">output<\/span><span class=\"hljs-selector-class\">.mp4<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3067\u306f\u3001<code>-b:v 2000k<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u52d5\u753b\u306e\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3092 2Mbps \u306b\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u304c\u5c0f\u3055\u3044\u307b\u3069\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u5c0f\u3055\u304f\u306a\u308b\u304c\u3001\u753b\u8cea\u306f\u52a3\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ed6\u306b\u3082\u3001\u52d5\u753b\u30b5\u30a4\u30ba\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>-vf scale=&lt;width>:&lt;height><\/code>: \u52d5\u753b\u3092\u6307\u5b9a\u3057\u305f\u5e45\u3068\u9ad8\u3055\u306b\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u3002<\/li>\n\n\n\n<li><code>-acodec &lt;codec><\/code>: \u97f3\u58f0\u3092\u6307\u5b9a\u3057\u305f\u30b3\u30fc\u30c7\u30c3\u30af\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u3002\u4f8b\u3048\u3070\u3001<code>libopus<\/code> \u3084 <code>aac<\/code> \u306a\u3069\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">ffmpeg -i input.mp4 -vf scale=480:270 output.mp4<\/code><\/span><\/pre>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%81%9D%E3%81%AE%E4%BB%96%E3%81%AE%E6%93%8D%E4%BD%9C\"><\/span>\u305d\u306e\u4ed6\u306e\u64cd\u4f5c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Mac \u306e\u753b\u9762\u30ad\u30e3\u30d7\u30c1\u30e3\u306a\u3069\u3067\u4f5c\u3063\u305f\u52d5\u753b\u306e\u62e1\u5f35\u5b50\u306f .mov \u3067\u3059\u3002\u3053\u308c\u3082\u3001FFmpeg \u3067 .mp4 \u3078\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9\u306f\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f<span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_5');\" onkeypress=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_5');\" ><sup id=\"footnote_plugin_tooltip_2015_1_5\" class=\"footnote_plugin_tooltip_text\">[5]<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2015_1_5\" class=\"footnote_tooltip\">ffmpeg\u3092\u7528\u3044\u3066\u3001.MOV\u304b\u3089.mp4\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5 &#8211; \u304b\u3063\u304f\u3093\u306e\u5b66\u7fd2\u8a18\u9332. Accessed May 4, 2021. <a href=\"https:\/\/kakubari-ryusei.hatenablog.com\/entry\/2017\/10\/12\/153003\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"footnote_url_wrap\">https:\/\/kakubari-ryusei.hatenablog.com\/entry\/2017\/10\/12\/153003<\/span><\/a> <\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2015_1_5').tooltip({ tip: '#footnote_plugin_tooltip_text_2015_1_5', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top center', relative: true, offset: [-7, 0], });<\/script>\u3002\u3053\u3053\u3067\u306f\u3001test.mov \u3092 test.mp4 \u306b\u5909\u63db\u3059\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"> <span class=\"hljs-selector-tag\">ffmpeg<\/span> <span class=\"hljs-selector-tag\">-i<\/span> <span class=\"hljs-selector-tag\">test<\/span><span class=\"hljs-selector-class\">.mov<\/span> <span class=\"hljs-selector-tag\">-pix_fmt<\/span> <span class=\"hljs-selector-tag\">yuv420p<\/span> <span class=\"hljs-selector-tag\">test<\/span><span class=\"hljs-selector-class\">.mp4<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"ja\" dir=\"ltr\">Mac\u3067\u52d5\u753b\u306e\u62e1\u5f35\u5b50\u3092\u5909\u3048\u305f\u308a\u3001\u30b5\u30a4\u30ba\u3092\u7d30\u304b\u306b\u5909\u66f4\u3059\u308b\u306e\u306b\u3001ffmpeg \u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u91cd\u5b9d\u3057\u307e\u3059\u3002Terminal\u4e0a\u3067\u52d5\u304b\u3057\u307e\u3059\u3002\u300cffmpeg\u3092\u7528\u3044\u3066\u3001.MOV\u304b\u3089.mp4\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\uff08\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3082\u63b2\u8f09\uff09\u300d<a href=\"https:\/\/t.co\/kESCELPVQH\">https:\/\/t.co\/kESCELPVQH<\/a> \u300cFFmpeg\u306e\u52d5\u753b\u5727\u7e2e\u30fb\u5909\u63db\u30b3\u30de\u30f3\u30c9\u306e\u4f7f\u3044\u65b9\u300d <a href=\"https:\/\/t.co\/XQCdlikKD6\">https:\/\/t.co\/XQCdlikKD6<\/a><\/p>&mdash; Shoei (@shoei05) <a href=\"https:\/\/twitter.com\/shoei05\/status\/1299667151121338370?ref_src=twsrc%5Etfw\">August 29, 2020<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>\u3055\u3089\u306b\u5fdc\u7528\u7de8\u3068\u3057\u3066\u3001\u30b3\u30de\u30f3\u30c9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30d5\u30a9\u30eb\u30c0\u5185\u306e\u4e00\u62ec\u5909\u63db\u3092\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001.mov \u304b\u3089 .mp4 \u3078\u4e00\u62ec\u5909\u63db\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u8a72\u5f53\u30d5\u30a9\u30eb\u30c0\u3067 \u3001<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">find . -name <span class=\"hljs-string\">\"*.mov\"<\/span> -type f | xargs -I {} basename {} .mov | xargs -I {} ffmpeg -i {}.mov -pix_fmt yuv420p {}.mp4<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>.mp4 \u3092\u4e00\u62ec\u3067\u5727\u7e2e\u3057\u305f\u3044\u5834\u5408\u306f\u3001<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">find . -name <span class=\"hljs-string\">\"*.mp4\"<\/span> -type f | xargs -I {} basename {} .mp4 | xargs -I {} ffmpeg -i {}.mp4 -crf <span class=\"hljs-number\">18<\/span> {}_compression.mp4<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001 .mp4 \u306e\u62e1\u5f35\u5b50\u3092\u3082\u3064\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u3066\u30ea\u30b9\u30c8\u306b\u3059\u308b<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">find . -name <span class=\"hljs-string\">\"*.mp4\"<\/span> -type f<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u305d\u306e\u30ea\u30b9\u30c8\u304b\u3089\u3001 .mp4 \u3068\u3044\u3046\u62e1\u5f35\u5b50\u3092\u53d6\u308a\u9664\u3044\u305f\u30ea\u30b9\u30c8\u3092\u4f7f\u3046<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">xargs<\/span> <span class=\"hljs-selector-tag\">-I<\/span> {} <span class=\"hljs-selector-tag\">basename<\/span> {} <span class=\"hljs-selector-class\">.mp4<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u30ea\u30b9\u30c8\u3092\u4e0a\u304b\u3089\u4e00\u3064\u305a\u3064 [\u30ea\u30b9\u30c81].mp4 \u3092\u5727\u7e2e\u7387 18 \u3067\u5727\u7e2e\u3057\u305f\u30c7\u30fc\u30bf\u3092\u3001 [\u30ea\u30b9\u30c81]_compression.mp4 \u3068\u3044\u3046\u540d\u524d\u3067\u4f5c\u6210\u3002[\u30ea\u30b9\u30c82].mp4 \u3092\u5727\u7e2e\u7387 18 \u3067\u5727\u7e2e\u3057\u305f\u30c7\u30fc\u30bf\u3092\u3001 [\u30ea\u30b9\u30c82]_compression.mp4 \u3068\u3044\u3046\u540d\u524d\u3067\u4f5c\u6210\u30fb\u30fb\u30fb<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">xargs<\/span> <span class=\"hljs-selector-tag\">-I<\/span> {} <span class=\"hljs-selector-tag\">ffmpeg<\/span> <span class=\"hljs-selector-tag\">-i<\/span> {}<span class=\"hljs-selector-class\">.mp4<\/span> <span class=\"hljs-selector-tag\">-crf<\/span> 18 {}_<span class=\"hljs-selector-tag\">compression<\/span><span class=\"hljs-selector-class\">.mp4<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3068\u3044\u3046\u4e00\u9023\u306e\u30b3\u30de\u30f3\u30c9\u3092 | \u3067\u3064\u306a\u3044\u3067\u4e00\u3064\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u4e0b\u8a18 tweet \u306e\u5f15\u7528URL\u3092\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"ja\" dir=\"ltr\">.mov \u304b\u3089 .mp4 \u3078\u4e00\u62ec\u5909\u63db\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u8a72\u5f53\u30d5\u30a9\u30eb\u30c0\u3067 find . -name &quot;*.mov&quot; -type f | xargs -I {} basename {} .mov | xargs -I {} ffmpeg -i {}.mov -pix_fmt yuv420p {}.mp4 \u306e Linux \u30b3\u30de\u30f3\u30c9\u3067\u53ef\u80fd\u3002\u53c2\u8003\uff1a\u2460<a href=\"https:\/\/t.co\/e7hmZKdJxy\">https:\/\/t.co\/e7hmZKdJxy<\/a> \u2461<a href=\"https:\/\/t.co\/bagomvKEDu\">https:\/\/t.co\/bagomvKEDu<\/a> \u2462<a href=\"https:\/\/t.co\/kESCELPVQH\">https:\/\/t.co\/kESCELPVQH<\/a> <a href=\"https:\/\/t.co\/HO10AwZ52J\">https:\/\/t.co\/HO10AwZ52J<\/a><\/p>&mdash; Shoei (@shoei05) <a href=\"https:\/\/twitter.com\/shoei05\/status\/1389415088759529479?ref_src=twsrc%5Etfw\">May 4, 2021<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>ffmpeg\u3092\u4f7f\u3063\u3066\u6620\u50cf\u3068\u97f3\u58f0\u3092\u7d50\u5408\u3057\u3066\u4e00\u3064\u306e\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u306b\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-13\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">ffmpeg<\/span> <span class=\"hljs-selector-tag\">-i<\/span> <span class=\"hljs-selector-tag\">video<\/span><span class=\"hljs-selector-class\">.mp4<\/span> <span class=\"hljs-selector-tag\">-i<\/span> <span class=\"hljs-selector-tag\">audio<\/span><span class=\"hljs-selector-class\">.wav<\/span> <span class=\"hljs-selector-tag\">-c<\/span><span class=\"hljs-selector-pseudo\">:v<\/span> <span class=\"hljs-selector-tag\">copy<\/span> <span class=\"hljs-selector-tag\">-c<\/span><span class=\"hljs-selector-pseudo\">:a<\/span> <span class=\"hljs-selector-tag\">aac<\/span> <span class=\"hljs-selector-tag\">-map<\/span> 0<span class=\"hljs-selector-pseudo\">:v<\/span><span class=\"hljs-selector-pseudo\">:0<\/span> <span class=\"hljs-selector-tag\">-map<\/span> 1<span class=\"hljs-selector-pseudo\">:a<\/span><span class=\"hljs-selector-pseudo\">:0<\/span> <span class=\"hljs-selector-tag\">output<\/span><span class=\"hljs-selector-class\">.mp4<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002<span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_6');\" onkeypress=\"footnote_moveToReference_2015_1('footnote_plugin_reference_2015_1_6');\" ><sup id=\"footnote_plugin_tooltip_2015_1_6\" class=\"footnote_plugin_tooltip_text\">[6]<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2015_1_6\" class=\"footnote_tooltip\">ffmpeg\u3092\u4f7f\u3063\u3066\u6620\u50cf\u3068\u97f3\u58f0\u3092\u7d50\u5408\u3059\u308b. Qiita. Accessed December 24, 2022. <a href=\"https:\/\/qiita.com\/niusounds\/items\/f69a4438f52fbf81f0bd\"><span class=\"footnote_url_wrap\">https:\/\/qiita.com\/niusounds\/items\/f69a4438f52fbf81f0bd<\/span><\/a><\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2015_1_6').tooltip({ tip: '#footnote_plugin_tooltip_text_2015_1_6', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top center', relative: true, offset: [-7, 0], });<\/script><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9C%80%E5%BE%8C%E3%81%AB\"><\/span>\u6700\u5f8c\u306b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u73fe\u72b6\u3067\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u958b\u50ac\u306f\u3001\u5b9f\u5730\u958b\u50ac\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u306e\u4ee3\u66ff\u6848\u3068\u3057\u3066\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u5f37\u3044\u3067\u3059\u304c\u3001\u7b2c4\u6ce2\u3067\u65b0\u305f\u306a\u682a\u304c\u6d41\u884c\u3057\u3066\u3044\u308b\u72b6\u6cc1\u3092\u9451\u307f\u308b\u3068\u3001\u9577\u671f\u7684\u898b\u901a\u3057\u306e\u5909\u63db\u304c\u8feb\u3089\u308c\u3066\u304a\u308a\u3001\u5b66\u8853\u5927\u4f1a\u306b\u304a\u3044\u3066\u3082\u3053\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u958b\u50ac\u306f\u3053\u3053\u6570\u5e74\u306f\u7d9a\u304d\u305d\u3046\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u304c\u7686\u69d8\u306e\u304a\u5f79\u306b\u7acb\u3066\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>2021\u5e745\u6708\u73fe\u5728\u306eCOVID-19\u306e\u72b6\u6cc1\u306b\u3064\u3044\u3066\u306f\u3001\u897f\u6d66\u5148\u751f\u306e\u4e0b\u8a18\u8a18\u4e8b\u3082\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"ja\" dir=\"ltr\">\u3054\u53c2\u8003\u306b\u3055\u308c\u3066\u4e0b\u3055\u3044<a href=\"https:\/\/t.co\/CNxixLLUca\">https:\/\/t.co\/CNxixLLUca<\/a><\/p>&mdash; Hiroshi Nishiura (@nishiurah) <a href=\"https:\/\/twitter.com\/nishiurah\/status\/1389440310015520768?ref_src=twsrc%5Etfw\">May 4, 2021<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n<div class=\"speaker-mute footnotes_reference_container\"> <div class=\"footnote_container_prepare\"><p><span role=\"button\" tabindex=\"0\" class=\"footnote_reference_container_label pointer\" onclick=\"footnote_expand_collapse_reference_container_2015_1();\">References<\/span><span role=\"button\" tabindex=\"0\" class=\"footnote_reference_container_collapse_button\" style=\"display: none;\" onclick=\"footnote_expand_collapse_reference_container_2015_1();\">[<a id=\"footnote_reference_container_collapse_button_2015_1\">+<\/a>]<\/span><\/p><\/div> <div id=\"footnote_references_container_2015_1\" style=\"\"><table class=\"footnotes_table footnote-reference-container\"><caption class=\"accessibility\">References<\/caption> <tbody> \r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2015_1('footnote_plugin_tooltip_2015_1_1');\"><a id=\"footnote_plugin_reference_2015_1_1\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>1<\/a><\/th> <td class=\"footnote_plugin_text\">FFmpeg. Accessed May 4, 2021. <a href=\"https:\/\/www.ffmpeg.org\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"footnote_url_wrap\">https:\/\/www.ffmpeg.org\/<\/span><\/a> <\/td><\/tr>\r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2015_1('footnote_plugin_tooltip_2015_1_2');\"><a id=\"footnote_plugin_reference_2015_1_2\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>2<\/a><\/th> <td class=\"footnote_plugin_text\">Homebrew. Homebrew. Accessed May 4, 2021. <a href=\"https:\/\/brew.sh\/index_ja\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"footnote_url_wrap\">https:\/\/brew.sh\/index_ja<\/span><\/a> <\/td><\/tr>\r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2015_1('footnote_plugin_tooltip_2015_1_3');\"><a id=\"footnote_plugin_reference_2015_1_3\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>3<\/a><\/th> <td class=\"footnote_plugin_text\">\u308d\u307c\u3044\u3093. \u3010Windows 11\u3011PATH\u306e\u8a2d\u5b9a\u306a\u3057\u3067FFmpeg\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5. \u308d\u307c\u3044\u3093\u30d6\u30ed\u30b0. Published February 25, 2024. Accessed May 26, 2024. <a href=\"https:\/\/roboin.io\/article\/2024\/02\/25\/install-ffmpeg-to-windows\/\"><span class=\"footnote_url_wrap\">https:\/\/roboin.io\/article\/2024\/02\/25\/install-ffmpeg-to-windows\/<\/span><\/a><\/td><\/tr>\r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2015_1('footnote_plugin_tooltip_2015_1_4');\"><a id=\"footnote_plugin_reference_2015_1_4\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>4<\/a><\/th> <td class=\"footnote_plugin_text\">H.264\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\uff1atech.ckme.co.jp. Accessed May 4, 2021. <a href=\"https:\/\/tech.ckme.co.jp\/ffmpeg_h264.shtml\"><span class=\"footnote_url_wrap\">https:\/\/tech.ckme.co.jp\/ffmpeg_h264.shtml<\/span><\/a> <\/td><\/tr>\r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2015_1('footnote_plugin_tooltip_2015_1_5');\"><a id=\"footnote_plugin_reference_2015_1_5\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>5<\/a><\/th> <td class=\"footnote_plugin_text\">ffmpeg\u3092\u7528\u3044\u3066\u3001.MOV\u304b\u3089.mp4\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5 &#8211; \u304b\u3063\u304f\u3093\u306e\u5b66\u7fd2\u8a18\u9332. Accessed May 4, 2021. <a href=\"https:\/\/kakubari-ryusei.hatenablog.com\/entry\/2017\/10\/12\/153003\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"footnote_url_wrap\">https:\/\/kakubari-ryusei.hatenablog.com\/entry\/2017\/10\/12\/153003<\/span><\/a> <\/td><\/tr>\r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2015_1('footnote_plugin_tooltip_2015_1_6');\"><a id=\"footnote_plugin_reference_2015_1_6\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>6<\/a><\/th> <td class=\"footnote_plugin_text\">ffmpeg\u3092\u4f7f\u3063\u3066\u6620\u50cf\u3068\u97f3\u58f0\u3092\u7d50\u5408\u3059\u308b. Qiita. Accessed December 24, 2022. <a href=\"https:\/\/qiita.com\/niusounds\/items\/f69a4438f52fbf81f0bd\"><span class=\"footnote_url_wrap\">https:\/\/qiita.com\/niusounds\/items\/f69a4438f52fbf81f0bd<\/span><\/a><\/td><\/tr>\r\n\r\n <\/tbody> <\/table> <\/div><\/div><script type=\"text\/javascript\"> function footnote_expand_reference_container_2015_1() { jQuery('#footnote_references_container_2015_1').show(); jQuery('#footnote_reference_container_collapse_button_2015_1').text('\u2212'); } function footnote_collapse_reference_container_2015_1() { jQuery('#footnote_references_container_2015_1').hide(); jQuery('#footnote_reference_container_collapse_button_2015_1').text('+'); } function footnote_expand_collapse_reference_container_2015_1() { if (jQuery('#footnote_references_container_2015_1').is(':hidden')) { footnote_expand_reference_container_2015_1(); } else { footnote_collapse_reference_container_2015_1(); } } function footnote_moveToReference_2015_1(p_str_TargetID) { 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